Content is now organized by game version and source

This link potentially matches multiple versions of "Ghost":

• Ghost (System Reference Document 5.2)

  CR 4 · Undead (Medium)

• Ghost (Monstrous Menagerie)

  CR 4 · Undead (Medium)

• Ghost (System Reference Document 5.1)

  CR 4 · Undead (Medium)

• Ghost (Black Flag SRD)

  CR 4 · Undead (Medium)